Berkshire Hathaway over the weekend reported a jump in quarterly profits and a $111.1 billion cash pile.

Shares are up about 4% since the beginning of 2018.

Follow Berkshire's stock price in real-time here.

Shares of Berkshire Hathaway — the conglomerate run by billionaire investor Warren Buffett — were up more than 2% in early trading Monday after the company reported a jump in quarterly profits and a $111.1 billion cash pile over the weekend...